Keymar MD ZIP Code

Keymar city is located in Maryland State, Carroll County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Keymar MD zip code by its streets and block numbers if we have some of the Keymar streets loaded in our website

Keymar Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).

Keymar Zip Code - Maryland

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Keymar City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Keymar ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Keymar, Maryland.

The Keymar Zip Code is 21757.

If you want to send a mail to Keymar City, you should use the 21757 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Keymar ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 21757 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Keymar city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Maryland.

Keymar, Maryland - MAP

What is the Keymar Zip Code?

The Keymar Zip Code in Maryland is 21757.

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Keymar, Maryland - US Zip Code

Keymar ZIP Code Lookup

21757 Zip Code File:
Zip Code: 21757,
City: Keymar
Keymar Area Code: 443/410
Keymar, MD - Time Zone: Eastern (GMT -05:00)
County: Carroll
City Alias: Detour, Middleburg, Keymar
State: Maryland
State Abb: MD

Maryland Zip+4 - Nearby Keymar Cities

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